34results about How to "Prevent hanging on the wall" patented technology

The invention relates to an evaporation wall-type supercritical water oxidation reactor capable of directly separating salt and subcritical water. The cylinder is fixed with an upper end cover and a lower end cover; the middle part of the upper end cover is provided with a burner component which extends to the inside of the cylinder; the upper end cover is provided with a gas-phase outlet and a sewage secondary inlet; the upper part in the cylinder is fixedly provided with a shell-and-tube heat exchanger; the upper part of the cylinder is provided with a sewage primary inlet and a normal temperature sewage outlet; the cylinder is provided with a subcritical water outlet; the lower part in the cylinder is fixedly provided with a multilayer evaporation wall; a plurality of annular spaces are formed between the multilayer evaporation wall and the cylinder from top to bottom; the cylinder is sequentially provided with a plurality of evaporation wall water inlets; the upper edge of the multilayer evaporation wall is provided with an evaporation wall spherical baffle; the lower end of the burner component is fixedly provided with a burner spherical baffle; and the bottom of the lower end cover is provided with a brine outlet. The oxidation reactor effectively prevents the preheater, reactor and pipelines from blockage and corrosion, reduces the quantity of pure water used by the evaporation wall, and can reduce the reactor volume and lower the noble alloy consumption.

The invention provides a thickening agent for a fracturing fluid, a preparation method of the thickening agent and the fracturing fluid. The thickening agent comprises the following components in percentage by mass: 18.0%-22.0% of aviation kerosene, 32.0%-38.5% of polyacrylamide, 4.0%-6.0% of an emulsifier, 0.5%-1.0% of cetyl trimethyl ammonium bromide, 0.5%-1.0% of sodium dodecyl benzene sulfonate, 5.0%-8.0% of ethylene glycol, and the balance of water. After being stored and transported for a long time, the thickening agent is still uniform, does not have obvious oil-liquid separation, and still has good fluidity at-30 DEG C. After being used, the fracturing fluid prepared by the thickening agent has no obvious wall-hanging phenomenon.

The invention relates to a blood coagulant and a preparation method thereof. The blood coagulant comprises polymer of alpha-hydro-omega-hydroxyl (oxy-1,2-ethanediyl), polyvinylpyrrolidone, polysorbate, polysorbate, silicon dioxide powder and isopropyl alcohol. The coagulant obtained can effectively shorten the time for blood coagulation, cannot enable blood to attach to the vascular wall, cannot interfere with results of biochemical test and immunological test, is long in period of validity and has excellent performance.

The invention discloses an engineering spoil on-site stirring and solidifying device which comprises a machine shell, a spraying device and a stirring device; an opening for feeding is formed in one side of the machine shell, and a conveying device is arranged at the position, close to the opening, in the machine shell; the spraying device is arranged above the machine shell, the spraying device comprises a liquid storage tank, a metering pump and a nozzle which are sequentially connected, and the nozzle extends into the machine shell and faces the position over the conveying device; the stirring device is arranged in the machine shell, the stirring device comprises a stirring bin and a stirring shaft, the upper portion of the stirring bin communicates with a feeding hopper, and the feeding hopper is connected with the tail end of a transmission device; and a discharging pipe is connected to the lower part of the stirring bin and extends to the outer part of the machine shell. The mixing proportion of waste slurry and a curing agent can be automatically and accurately controlled, and then the waste slurry and the curing agent enter the stirring bin to be stirred, so that the curing agent is further uniformly mixed with the waste slurry.

The invention provides a raw meal homogenization device for cement production, comprising: a raw meal storehouse, a raw meal outlet and a motor; a set of raw meal outlets is provided at the bottom of the raw meal storehouse; the inside bottom of the raw meal storehouse is fixed A group of decompression cones is connected; multiple groups of the aeration boxes are evenly arranged on the inner wall of the raw meal storage; a set of the rotary feeders is axially connected to the top of the raw meal storage; the left and right sides of the aeration box are Each side is provided with a set of power air pressure chambers and a set of anti-wall air pressure chambers; both outer sides of the inflatable box are provided with a layer of the synthetic fiber mixed polyester air-permeable layer. Setting the bottom of the raw meal storehouse into a conical shape and using a conical decompression cone is beneficial to the collection of raw meal. At the same time, the raw meal can be homogenized again during collection to make the homogenization effect better; The inner wall of the material silo instead of the bottom of the raw material silo prevents the gap between the inflatable boxes from depositing raw material and causing compaction to affect the use.

The invention relates to a drying treatment system of slurry. The drying treatment system is characterized by comprising a slurry raw material storing warehouse, a scraper conveying machine, a prepared material cabin, a slurry drying machine, a coal dust gas dusting machine, a gas recycling device and a finished product storing warehouse. The inner wall of an overhaul door of the slurry drying machine in the treatment system is made of materials which are not apt to deform under high temperature and smooth in surface, so that the phenomenon of wall sticking of sticky materials is avoided. The inner wall and the outer wall of the overhaul door are separated from each other through thermal insulation materials, so that deformation of the outer wall and the inner wall is reduced to the minimum degree, and tightness of the overhaul door can be guaranteed. A set of electric actuator is introduced, and automation in opening and closing of the overhaul door can be achieved. The drying treatment system has the advantages of being low in energy consumption, low in noise, strong in structural stability, high in processing efficiency, low in device cost, strong in device adaptation, free of blocking, less in production failure, low in manufacture cost, and capable of saving resources.

An in-line three-phase tream evaporation concentrator able to effectively prevent surface sticking features that a kind of physiological inertial solid particles are added to vapor-liquid stream evaporation concentrator to form a naturally circulating three-phase fluidized bed, where the said solid particles can prevent the surface sticking phenomenon. The said concentrator has heater, heating pipe, separation chamber, vapor and condenser, condensed liquid tank, vacuum buffer tank, vacuumizing pump, and discharger.

The invention relates to an evaporation wall-type supercritical water oxidation reactor capable of directly separating salt and subcritical water. The cylinder is fixed with an upper end cover and a lower end cover; the middle part of the upper end cover is provided with a burner component which extends to the inside of the cylinder; the upper end cover is provided with a gas-phase outlet and a sewage secondary inlet; the upper part in the cylinder is fixedly provided with a shell-and-tube heat exchanger; the upper part of the cylinder is provided with a sewage primary inlet and a normal temperature sewage outlet; the cylinder is provided with a subcritical water outlet; the lower part in the cylinder is fixedly provided with a multilayer evaporation wall; a plurality of annular spaces are formed between the multilayer evaporation wall and the cylinder from top to bottom; the cylinder is sequentially provided with a plurality of evaporation wall water inlets; the upper edge of the multilayer evaporation wall is provided with an evaporation wall spherical baffle; the lower end of the burner component is fixedly provided with a burner spherical baffle; and the bottom of the lower end cover is provided with a brine outlet. The oxidation reactor effectively prevents the preheater, reactor and pipelines from blockage and corrosion, reduces the quantity of pure water used by the evaporation wall, and can reduce the reactor volume and lower the noble alloy consumption.

The invention discloses a multilevel gas-liquid two-phase separation device, which solves the problems in the existing separation device that gas-liquid separation is not thorough and carbon dioxide cannot be collected completely. Three-level separation technology is adopted by the separation device, wherein a first-level separation sieve adopts a nozzle-type structure for sieving, and a second-level separation sieve and a third-level separation sieve both adopt an eccentric funnel-type structure, so that a gas-liquid mixture can be separated as long as possible on an area as large as possible, the gas-liquid mixture is fully separated, a good separation effect is achieved, meanwhile, a three-level collection mode is adopted, gas after each level of separation is collected, and separated gas is completely collected, so that guarantee is provided for carbon dioxide drive physical simulation experiment.

The invention relates to a real-time fluorescence PCR (polymerase chain reaction) detection system based on a rotary type microfluidic chip. The system comprises an annealing low-temperature area, an extension appropriate temperature area, a thermal change high temperature area, a rotating module, a PCR reagent accommodating cavity, an injection micro-channel, an instrument fixing base and a fluorescence detection system, wherein a temperature cycle control module comprises the annealing low-temperature area, the extension appropriate temperature area and the thermal change high temperature area; a micro-channel cycle PCR amplification module comprises the rotating module, the PCR reagent accommodating cavity, the injection micro-channel and the instrument fixing base; and a fluorescence spectrum detection module comprises the fluorescence detection system. According to the system, three modules, namely, the micro-channel cycle PCR amplification module, the temperature cycle control module and the fluorescence spectrum detection module are integrated, so that the portable micro PCR fluorescence real-time detection system applicable to space operation requirements is realized, and purposes of function integration, structure microform, lightness, small size and full-automatic detection are achieved.

The invention discloses a high-speed feed and discharge system. The high-speed feed and discharge system comprises a feed mesh belt, a forward-pushing device and a collecting device, wherein a feed system body of the high-speed feed and discharge system further comprises a bottle arranging mesh belt; at least two bottle arranging channels arranged in parallel on the bottle arranging mesh belt; a bottle inlet of each bottle arranging channel is in butt joint with a bottle outlet of the feed mesh belt; bottle clamping devices which can guide bottles on the feed mesh belt to the corresponding bottle arranging channels and control the opening and closing of the bottle arranging channels are arranged at the butting joint part; the forward-pushing device is used for pushing bottles on each bottle arranging channel into the collecting device; and the speed of the bottle arranging mesh belt is lower than that of the feed mesh belt. The high-speed feed and discharge system disclosed by the invention has the advantages that the condition that the liquid is adhered to the walls of the bottles, caused by that the bottles collide with each other is avoided, the efficiency of feeding the bottles can also be guaranteed.

The invention discloses a preparation method for preparing pyromellitic acid based on catalytic oxidation-hydrolysis-segmented crystallization. The reaction is carried out in a microchannel reactor with a catalyst coating; the reacted gas is cooled and captured by a trap, cooled and crystallized, and then centrifuged. The centrifuged mother liquor is subjected to atmospheric distillation. The residual liquid is added into the hydrolysis kettle for hydrolysis treatment; finally, the hydrolysis liquid is filtered, and the filtrate is subjected to subsection cooling crystallization, centrifugation, and vacuum drying to obtain the target product, pyromellitic acid. The method is simple to operate, and the obtained target product has a high yield.

The invention discloses a stirring reaction device for synthesizing a super absorbent resin. The device comprises a stirring kettle, wherein a stirrer is arranged in the stirring kettle; the stirrer comprises a rotary shaft and blades arranged on the rotary shaft; the each blade has three rotary bending angles, comprising a backward bending angle, an upper rake angle and a blade breaking angle; the backward bending angle means an angle formed by bending the blade around the rotary shaft as the centerof a circle in the horizontal peripheral direction; the upper rake angle means an angle formed by bending the blade in the vertical direction; and the blade breaking angle means a rotating angle formed by rotating the blade through taking a radius as a central shaft, wherein the radius is a radius in a horizontal periphery formed by taking the rotary shaft as the center of the circle.

The invention provides a thickening agent for a fracturing fluid, a preparation method of the thickening agent and the fracturing fluid. The thickening agent comprises the following components in percentage by mass: 18.0%-22.0% of aviation kerosene, 32.0%-38.5% of polyacrylamide, 4.0%-6.0% of an emulsifier, 0.5%-1.0% of cetyl trimethyl ammonium bromide, 0.5%-1.0% of sodium dodecyl benzene sulfonate, 5.0%-8.0% of ethylene glycol, and the balance of water. After being stored and transported for a long time, the thickening agent is still uniform, does not have obvious oil-liquid separation, and still has good fluidity at-30 DEG C. After being used, the fracturing fluid prepared by the thickening agent has no obvious wall-hanging phenomenon.